Research Article

Toxicity Evaluation of a Novel Magnetic Resonance Imaging Marker, CoCl2-N-Acetylcysteine, in Rats

Table 2

Clinical chemistry findings.

Time after Injection and Treatment GroupTotal Bilirubin,Creatinine,Blood Urea Nitrogen,Aspartate Transaminase,Alkaline Aminotransferase,Alkaline Phosphatase,Total Protein,Albumin,Globulin,
mg/dLmg/dLmg/dLmg/dLIU/LIU/Lg/dLg/dLg/dL

Day 2
Control0.1 (0.1)0.3 (0.28-0.32)15.80 (14.2-16.7)219 (122-445)175 (54-441)168 (98-228)6.18 (5.58-6.59)4.21 (4.01-4.60)1.97 (1.57-2.30)
Low dose0.1 (0.1)0.3 (0.28-0.35)16.40 (14.8-18.8)283 (121-869)266 (78-921)208 (132-306)6.23 (5.83-6.74)4.16 (4.11-4.22)2.07 (1.72-2.61)
Ref dose0.1 (0.1)0.27 (0.24-0.30)16.9 (15.9-19.6)199 (68-491)173 (44-428)201 (175-239)6.1 (5.88-6.28)4.2 (4.09-4.35)1.9 (1.53-2.18)
High dose0.1 (0.1)0.29 (0.25-0.34)16.1 (14.0-18.8)132 (70-318)99 (44-244)167 (144-230)6.21 (5.82-6.44)4.04 (3.87-4.16)2.17 (1.95-2.45)
Day 28
Control<0.1 (<0.01)0.32 (0.28-0.35)17.9 (16.2-19.5)– (154->3836)†– (48->4070)†186 (141-252)6.3 (5.98-6.95)4.26 (4.17-4.47)2.04 (1.78-2.48)
Low dose<0.01 (<0.01)0.31 (0.27-0.34)20.1 (17.3-24.6)– (123->964)†– (65->921)†202 (173-258)6.36 (5.91-6.74)4.18 (3.95-4.36)2.17 (1.76-2.66)
Ref dose<0.01 (<0.01)0.32 (0.29-0.37)12.2 (15.8-20.2)– (56->2530)†– (45->3030)†140 (128-163)6.68 (6.34-6.834.19 (4.04-4.31)2.49 (2.30-2.65)
High dose<0.01 (<0.01)0.31 (0.31->0.69)†19.3 (17.4-21.4)– (59->7000)†– (45->7000)†210 (131-287)6.87 (6.39-7.87)4.32 (4.11-4.60)2.51 (2.13-3.27)
Day 63
Control0.1 (0.1)0.34 (0.32-0.36)19.9 (18.8-21.4)135 (68-325)141 (41-473)141 (111-195)6.89 (6.56-7.21)4.33 (4.21-4.44)2.56 (2.21-2.88)
Low dose0.1 (0.1)0.33 (0.31-0.35)20.7 (17.6-23.6)142 (84-266)113 (52-239)165 (127-206)7.01 (6.69-7.70)4.40 (4.14-4.90)2.61 (2.48-2.80)
Ref dose0.1 (0.1)0.32 (0.30-0.35)19.6 (17.9-21.7)247 (180-336)193 (153-230)149 (89-235)6.57 (6.26-7.10)4.22 (3.98-4.58)2.36 (2.00-2.52)
High dose0.1 (0.1)0.31 (0.26-0.33)18.4 (16.9-19.5)136 (67-232)114 (39-233)115 (100-135)6.73 (6.27-7.33)4.16 (3.89-4.57)2.57 (2.38-3.07)

Data are shown as mean (range). Significantly different from control at < 0.05. †Out of range because of hemolysis.
Control, 0% CoCl2:NAC; Low dose, 0.1% CoCl2:2% NAC; Ref[erence] dose, 1% CoCl2:2% NAC; High dose, 10% CoCL2: 2% NAC.